Finding the Fourth Proportional to 88,878,256.52, 122,652,174.04 and 49,720,687.18
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Solution
The fourth proportional to 88,878,256.52, 122,652,174.04 and 49,720,687.18 is: 68,614,649.03
Step by Step Solution
- Step 1: Write the proportion equation
88,878,256.52 : 122,652,174.04 = 49,720,687.18 : x - Step 2: Convert to fraction form
88,878,256.52/122,652,174.04 = 49,720,687.18/x - Step 3: Cross multiply
88,878,256.52x = 122,652,174.04 × 49,720,687.18 - Step 4: Simplify right side
88,878,256.52x = 6,098,350,377,141,153 - Step 5: Solve for x
x = 6,098,350,377,141,153/88,878,256.52 - Step 6: Final answer
x = 68,614,649.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.